diff mbox

[net-next] sctp: create helper function to enable|disable sackdelay

Message ID 52D653B1.4040708@huawei.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

wangweidong Jan. 15, 2014, 9:24 a.m. UTC 
add sctp_spp_sackdelay_{enable|disable} helper function for
avoiding code duplication. 

Signed-off-by: Wang Weidong <wangweidong1@huawei.com>
---
 net/sctp/socket.c | 37 +++++++++++++++++++------------------
 1 file changed, 19 insertions(+), 18 deletions(-)

Comments

Neil Horman Jan. 15, 2014, 2:10 p.m. UTC | #1 
On Wed, Jan 15, 2014 at 05:24:01PM +0800, Wang Weidong wrote:
> add sctp_spp_sackdelay_{enable|disable} helper function for
> avoiding code duplication. 
> 
> Signed-off-by: Wang Weidong <wangweidong1@huawei.com>

Acked-by: Neil Horman <nhorman@tuxdriver.com>

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David Miller Jan. 16, 2014, 12:48 a.m. UTC | #2 
From: Wang Weidong <wangweidong1@huawei.com>
Date: Wed, 15 Jan 2014 17:24:01 +0800

> add sctp_spp_sackdelay_{enable|disable} helper function for
> avoiding code duplication. 
> 
> Signed-off-by: Wang Weidong <wangweidong1@huawei.com>

Applied.
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diff mbox

Patch

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 7cc62b9..20dd417 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -2527,6 +2527,16 @@  static int sctp_setsockopt_peer_addr_params(struct sock *sk,
 	return 0;
 }
 
+static inline __u32 sctp_spp_sackdelay_enable(__u32 param_flags)
+{
+	return (param_flags & ~SPP_SACKDELAY) | SPP_SACKDELAY_ENABLE;
+}
+
+static inline __u32 sctp_spp_sackdelay_disable(__u32 param_flags)
+{
+	return (param_flags & ~SPP_SACKDELAY) | SPP_SACKDELAY_DISABLE;
+}
+
 /*
  * 7.1.23.  Get or set delayed ack timer (SCTP_DELAYED_SACK)
  *
@@ -2610,37 +2620,31 @@  static int sctp_setsockopt_delayed_ack(struct sock *sk,
 			asoc->sackdelay =
 				msecs_to_jiffies(params.sack_delay);
 			asoc->param_flags =
-				(asoc->param_flags & ~SPP_SACKDELAY) |
-				SPP_SACKDELAY_ENABLE;
+				sctp_spp_sackdelay_enable(asoc->param_flags);
 		} else {
 			sp->sackdelay = params.sack_delay;
 			sp->param_flags =
-				(sp->param_flags & ~SPP_SACKDELAY) |
-				SPP_SACKDELAY_ENABLE;
+				sctp_spp_sackdelay_enable(sp->param_flags);
 		}
 	}
 
 	if (params.sack_freq == 1) {
 		if (asoc) {
 			asoc->param_flags =
-				(asoc->param_flags & ~SPP_SACKDELAY) |
-				SPP_SACKDELAY_DISABLE;
+				sctp_spp_sackdelay_disable(asoc->param_flags);
 		} else {
 			sp->param_flags =
-				(sp->param_flags & ~SPP_SACKDELAY) |
-				SPP_SACKDELAY_DISABLE;
+				sctp_spp_sackdelay_disable(sp->param_flags);
 		}
 	} else if (params.sack_freq > 1) {
 		if (asoc) {
 			asoc->sackfreq = params.sack_freq;
 			asoc->param_flags =
-				(asoc->param_flags & ~SPP_SACKDELAY) |
-				SPP_SACKDELAY_ENABLE;
+				sctp_spp_sackdelay_enable(asoc->param_flags);
 		} else {
 			sp->sackfreq = params.sack_freq;
 			sp->param_flags =
-				(sp->param_flags & ~SPP_SACKDELAY) |
-				SPP_SACKDELAY_ENABLE;
+				sctp_spp_sackdelay_enable(sp->param_flags);
 		}
 	}
 
@@ -2652,18 +2656,15 @@  static int sctp_setsockopt_delayed_ack(struct sock *sk,
 				trans->sackdelay =
 					msecs_to_jiffies(params.sack_delay);
 				trans->param_flags =
-					(trans->param_flags & ~SPP_SACKDELAY) |
-					SPP_SACKDELAY_ENABLE;
+					sctp_spp_sackdelay_enable(trans->param_flags);
 			}
 			if (params.sack_freq == 1) {
 				trans->param_flags =
-					(trans->param_flags & ~SPP_SACKDELAY) |
-					SPP_SACKDELAY_DISABLE;
+					sctp_spp_sackdelay_disable(trans->param_flags);
 			} else if (params.sack_freq > 1) {
 				trans->sackfreq = params.sack_freq;
 				trans->param_flags =
-					(trans->param_flags & ~SPP_SACKDELAY) |
-					SPP_SACKDELAY_ENABLE;
+					sctp_spp_sackdelay_enable(trans->param_flags);
 			}
 		}
 	}